diff options
Diffstat (limited to 'arch/um/drivers/line.c')
| -rw-r--r-- | arch/um/drivers/line.c | 31 |
1 files changed, 10 insertions, 21 deletions
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c index 015209a9881..002d4a968ae 100644 --- a/arch/um/drivers/line.c +++ b/arch/um/drivers/line.c @@ -481,8 +481,8 @@ void close_lines(struct line *lines, int nlines) close_chan(&lines[i].chan_list, 0); } -static int setup_one_line(struct line *lines, int n, char *init, - const struct chan_opts *opts, char **error_out) +int setup_one_line(struct line *lines, int n, char *init, + const struct chan_opts *opts, char **error_out) { struct line *line = &lines[n]; struct tty_driver *driver = line->driver->driver; @@ -658,6 +658,7 @@ int register_lines(struct line_driver *line_driver, { struct tty_driver *driver = alloc_tty_driver(nlines); int err; + int i; if (!driver) return -ENOMEM; @@ -670,6 +671,13 @@ int register_lines(struct line_driver *line_driver, driver->subtype = line_driver->subtype; driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; driver->init_termios = tty_std_termios; + + for (i = 0; i < nlines; i++) { + spin_lock_init(&lines[i].lock); + mutex_init(&lines[i].count_lock); + lines[i].driver = line_driver; + INIT_LIST_HEAD(&lines[i].chan_list); + } tty_set_operations(driver, ops); err = tty_register_driver(driver); @@ -688,25 +696,6 @@ int register_lines(struct line_driver *line_driver, static DEFINE_SPINLOCK(winch_handler_lock); static LIST_HEAD(winch_handlers); -void lines_init(struct line *lines, int nlines, struct chan_opts *opts) -{ - struct line *line; - char *error; - int i; - - for(i = 0; i < nlines; i++) { - line = &lines[i]; - INIT_LIST_HEAD(&line->chan_list); - - if (line->init_str == NULL) - continue; - - if (setup_one_line(lines, i, line->init_str, opts, &error)) - printk(KERN_ERR "setup_one_line failed for " - "device %d : %s\n", i, error); - } -} - struct winch { struct list_head list; int fd; |